Revert to Fedora kernel-2.6.17-1.2187_FC5 patched with vs2.0.2.1; there are too many...

[linux-2.6.git] / arch / um / os-Linux / irq.c

diff --git a/arch/um/os-Linux/irq.c b/arch/um/os-Linux/irq.c
index 7555bf9..3788d45 100644 (file)
--- a/arch/um/os-Linux/irq.c
+++ b/arch/um/os-Linux/irq.c
@@ -52,6 +52,11 @@ int os_waiting_for_events(struct irq_fd *active_fds)
        return n;
 }
 
+int os_isatty(int fd)
+{
+       return isatty(fd);
+}
+
 int os_create_pollfd(int fd, int events, void *tmp_pfd, int size_tmpfds)
 {
        if (pollfds_num == pollfds_size) {
@@ -137,14 +142,17 @@ void os_set_ioignore(void)
 
 void init_irq_signals(int on_sigstack)
 {
+       __sighandler_t h;
        int flags;
 
        flags = on_sigstack ? SA_ONSTACK : 0;
+       if (timer_irq_inited)
+               h = (__sighandler_t)alarm_handler;
+       else
+               h = boot_timer_handler;
 
-       set_handler(SIGVTALRM, (__sighandler_t) alarm_handler,
-                   flags | SA_RESTART, SIGUSR1, SIGIO, SIGWINCH, SIGALRM, -1);
-       set_handler(SIGALRM, (__sighandler_t) alarm_handler,
-                   flags | SA_RESTART, SIGUSR1, SIGIO, SIGWINCH, SIGALRM, -1);
+       set_handler(SIGVTALRM, h, flags | SA_RESTART,
+                   SIGUSR1, SIGIO, SIGWINCH, SIGALRM, -1);
        set_handler(SIGIO, (__sighandler_t) sig_handler, flags | SA_RESTART,
                    SIGUSR1, SIGIO, SIGWINCH, SIGALRM, SIGVTALRM, -1);
        signal(SIGWINCH, SIG_IGN);